20885120

素因数分解:

$2^7\times 5^1\times {\mathrm{32633}}^1$

素因数の和:32652

約数の個数: 32

約数和(自身を含む): 49930020

約数和(自身を除く): 29044900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32633, 65266, 130532, 163165, 261064, 326330, 522128, 652660, 1044256, 1305320, 2088512, 2610640, 4177024, 5221280, 10442560, 20885120]

約数ペア:

[(1, 20885120), (2, 10442560), (4, 5221280), (5, 4177024), (8, 2610640), (10, 2088512), (16, 1305320), (20, 1044256), (32, 652660), (40, 522128), (64, 326330), (80, 261064), (128, 163165), (160, 130532), (320, 65266), (640, 32633)]